| /openbmc/linux/Documentation/hwmon/ |
| H A D | lm85.rst | 115 This feature can also be disabled for manual control of the PWM's.
152 The ADT7468 has a high-frequency PWM mode, where all PWM outputs are
155 all 3 PWM outputs to a 22.5 kHz frequency. Conversely, setting any PWM
225 PWM Control
228 There are three PWM outputs. The LM85 datasheet suggests that the
234 - this specifies the PWM value for temp#_auto_temp_off
235 temperature. (PWM value from 0 to 255)
249 PWM Controlling Zone selection
253 - controls zone that is associated with PWM
265 0 PWM always 0% (off)
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| H A D | w83793.rst | 42 6 remote temperatures, up to 8 sets of PWM fan controls, SmartFan
43 (automatic fan speed control) on all temperature/PWM combinations, 2
73 * SmartFan/PWM control
80 Each temperature channel can control all the 8 PWM outputs (by setting the
85 PWM value requests from different temperature channels, but the chip
86 will always pick the safest (max) PWM value for each fan.
90 thermal_cruiseX + toleranceX, the chip will increase the PWM value,
92 the PWM value. If the temperature is within the tolerance range, the PWM
95 SmartFanII works differently, you have to define up to 7 PWM, temperature
96 trip points, defining a PWM/temperature curve which the chip will follow.
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| H A D | adt7462.rst | 27 A sophisticated control system for the PWM outputs is designed into the ADT7462
29 temperature sensors. Each PWM output is individually adjustable and
30 programmable. Once configured, the ADT7462 will adjust the PWM outputs in
32 feature can also be disabled for manual control of the PWM's.
49 determining an optimal configuration for the automatic PWM control.
59 * PWM Control
68 the temperature is between the two temperature boundaries. PWM values range
70 temperature sensor associated with the PWM control exceeds temp#_max.
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| H A D | npcm750-pwm-fan.rst | 14 This driver implements support for NUVOTON NPCM7XX PWM and Fan Tacho
15 controller. The PWM controller supports up to 8 PWM outputs. The Fan tacho
24 pwmX rw get or set PWM fan control value. This is an integer
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| H A D | aspeed-pwm-tacho.rst | 12 This driver implements support for ASPEED AST2400/2500 PWM and Fan Tacho
13 controller. The PWM controller supports up to 8 PWM outputs. The Fan tacho
22 pwmX rw get or set PWM fan control value. This is an integer
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| H A D | lm93.rst | 129 If a fan is driven using a low-side drive PWM, the tachometer
138 enabled if the PWM output frequency is 22500 Hz (see below).
140 Manual PWM
155 PWM Output Frequency
164 PWM Output Frequencies (in Hz):
167 Automatic PWM
173 individual control sources to which the PWM output is bound.
235 PWM Spin-Up Cycle
251 #PROCHOT and #VRDHOT PWM Ramping
294 prochot<n>_override force #PROCHOT assertion as PWM
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| H A D | gsc-hwmon.rst | 40 PWM Output Control
43 The GSC features 1 PWM output that operates in automatic mode where the
44 PWM value will be scaled depending on 6 temperature boundaries.
46 read-only PWM values range from 0 (off) to 255 (full speed).
51 pwm1_auto_point[1-6]_pwm PWM value.
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| H A D | emc2305.rst | 17 This driver implements support for Microchip EMC2301/2/3/5 RPM-based PWM Fan Controller.
18 The EMC2305 Fan Controller supports up to 5 independently controlled PWM fan drives.
20 The driver supports the RPM-based PWM control to keep a fan at the desired speed.
21 The driver provides the possibility to have one common PWM interface for all FANs
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| H A D | mlxreg-fan.rst | 42 a PWM output and tachometer inputs.
43 This driver obtains PWM and tachometers registers location according to
44 the system configuration and creates FAN/PWM hwmon objects and a cooling
45 device. PWM and tachometers are sensed through the on-board programmable
48 Single instance is created with one PWM control, up to 12 tachometers and
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| /openbmc/linux/Documentation/devicetree/bindings/clock/ |
| H A D | nvidia,tegra124-dfll.txt | 10 communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
50 - nvidia,pwm-to-pmic: Use PWM to control regulator rather then I2C.
55 Required properties for PWM mode:
56 - nvidia,pwm-period-nanoseconds: period of PWM square wave in nanoseconds.
57 - nvidia,pwm-tristate-microvolts: Regulator voltage in micro volts when PWM
62 that the regulator supports when PWM control is enabled.
67 - pinctrl-0: I/O pad configuration when PWM control is enabled.
68 - pinctrl-1: I/O pad configuration when PWM control is disabled.
70 - dvfs_pwm_enable: I/O pad configuration when PWM control is enabled.
71 - dvfs_pwm_disable: I/O pad configuration when PWM control is disabled.
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| /openbmc/linux/Documentation/devicetree/bindings/pwm/ |
| H A D | pwm-fsl-ftm.txt | 1 Freescale FlexTimer Module (FTM) PWM controller
3 The same FTM PWM device can have a different endianness on different SoCs. The
6 for the endianness of the FTM PWM block as integrated into the existing SoCs:
8 SoC | FTM-PWM endianness
21 - "fsl,vf610-ftm-pwm" for PWM compatible with the one integrated on VF610
22 - "fsl,imx8qm-ftm-pwm" for PWM compatible with the one integrated on i.MX8QM
37 - big-endian: Boolean property, required if the FTM PWM registers use a big-
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| H A D | img-pwm.txt | 1 *Imagination Technologies PWM DAC driver
9 - pwm: PWM operating clock.
10 - sys: PWM system interface clock.
14 syscon node which contains PWM control registers.
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| H A D | st,stmpe-pwm.txt | 1 == ST STMPE PWM controller ==
3 This is a PWM block embedded in the ST Microelectronics STMPE
4 (ST Multi-Purpose Expander) chips. The PWM is registered as a
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| H A D | microchip,corepwm.yaml | 40 In synchronous mode, all channels are updated at the beginning of the PWM period,
48 Each bit of "microchip,sync-update-mask" corresponds to a PWM channel & represents
49 whether synchronous mode is possible for the PWM channel.
59 standard PWM algorithm can achieve. A 16 bit DAC_MODE module parameter of the IP
61 whether a given channel operates in regular PWM or DAC mode.
62 Each bit corresponds to a PWM channel & represents whether DAC mode is enabled
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| /openbmc/linux/drivers/leds/rgb/ |
| H A D | Kconfig | 18 tristate "PWM driven multi-color LED Support"
19 depends on PWM
21 This option enables support for PWM driven monochrome LEDs that are
30 depends on PWM
34 wide variety of Qualcomm PMICs. The LPG consists of a number of PWM
37 a LED, grouped to represent a RGB LED or exposed as PWM channels.
48 support hardware pattern for constant current, PWM, and breath mode.
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| /openbmc/linux/arch/arm/boot/dts/nxp/imx/ |
| H A D | imx7-colibri-iris.dtsi | 12 * The Atmel maxtouch controller uses SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, pwm3.
58 /* Colibri PWM<A> */
63 /* Colibri PWM<B> */
69 /* Colibri PWM<C> */
75 /* Colibri PWM<D> */
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| H A D | imx7s-colibri-eval-v3.dts | 22 * The Atmel maxtouch controller uses SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, pwm3.
41 /* Colibri PWM<B> */
47 /* Colibri PWM<C> */
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| H A D | imx7s-colibri-iris.dts | 22 * The Atmel maxtouch controller uses SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, pwm3.
41 /* Colibri PWM<B> */
47 /* Colibri PWM<C> */
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| H A D | imx7-colibri-aster.dtsi | 31 /* Colibri PWM<A> */
36 /* Colibri PWM<B> */
41 /* Colibri PWM<C> */
46 /* Colibri PWM<D> */
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| H A D | imx7d-colibri-iris.dts | 22 * The Atmel maxtouch controller uses SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, pwm3.
41 /* Colibri PWM<B> */
47 /* Colibri PWM<C> */
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| H A D | imx7d-colibri-eval-v3.dts | 22 * The Atmel maxtouch controller uses SODIMM 28/30, also used for PWM<B>, PWM<C>, aka pwm2, pwm3.
41 /* Colibri PWM<B> */
47 /* Colibri PWM<C> */
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| H A D | imx6ull-colibri-eval-v3.dtsi | 76 /* PWM <A> */
81 /* PWM <B> */
86 /* PWM <C> */
91 /* PWM <D> */
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| /openbmc/linux/Documentation/devicetree/bindings/input/ |
| H A D | pwm-vibrator.yaml | 7 title: PWM vibrator
13 Registers a PWM device as vibrator. It is expected, that the vibrator's
14 strength increases based on the duty cycle of the enable PWM channel
17 The binding supports an optional direction PWM channel, that can be
41 Duty cycle of the direction PWM channel in nanoseconds,
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| /openbmc/u-boot/doc/device-tree-bindings/timer/ |
| H A D | atcpit100_timer.txt | 7 used as pulse width modulators (PWM) as well as simple timers.
14 One 16-bit PWM
15 One 16-bit timer and one 8-bit PWM
16 Two 8-bit timer and one 8-bit PWM
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| /openbmc/linux/arch/arm/boot/dts/samsung/ |
| H A D | exynos5422-odroidxu3.dts | 64 * PWM 0 -- fan
65 * PWM 1 -- Green LED
66 * PWM 2 -- Blue LED
67 * PWM 3 -- on MIPI connector for backlight
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